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Parallel-Twin Screw and Barrel
 

Detailed Description

Size: φ45/2~φ200/2
(Screw structure and compression ratio can be designed according to different products and parts.) 

Technical Parameter:
Quenching and Tempering Hardness:HB280-320
Nitriding Hardness:HV850-1000
Nitriding Depth :0.45~0.7mm
Nitridng Brittleness: 2nd Level
Surface Roughness:≤Ra0.4
Screw Straightness:0.015mm
Nitrided Chromium Coating Surface Hardness≥900HV
Chromium Coating Thickness :0.025~0.10mm
Duplex Alloy Hardness:HRC50-65
Duplex Alloy Depth:0.8~2.0mm

Materials:
Quality 38CrMoAIA (41CrAIMo7)
40Cr

Technologies:
Advanced Nitriding Technology
Anti-corrosion and Wear-resisting Duplex Metal Spraying Technology
Quality Powder Metallurgy Materials
Hard Metal Cold/Thermal Spraying Technology

 

 
 

Factory:
Address:Xi’ao 122#,Cengang Town, Dinghai District, Zhoushan City,China
Zip Code:316000
Contact Us:
Tel:+86-580-8015962
Fax:+86-580-8058889
E-mail:sales@batten-machinery.com
Skype:battenmachinery
MSN:battenmachinery@gmail.com
General Manager
Name:Michael Wu
E-mail:batten@batten-machinery.com
Sales Manager
Name:Ann Xu
E-mail:Ann@batten-machinery.com
Service Support
E-mail:sales@batten-machinery.com
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